![10 Chilling Facts About Permafrost](/i/c/781ce197-5eb9-ca4e-ec7f-0b5fa6d732b2.webp)
10 Chilling Facts About Permafrost
About 11 percent of the Earth’s surface is perpetually frozen, though that will surely change as global warming continues.
2023-10-25 20:17
![9 Creative Ways People Kept Cool Before Air Conditioning](/i/c/9bc79cf4-c666-6d5b-42c5-c436de743f73.webp)
9 Creative Ways People Kept Cool Before Air Conditioning
People have come up with a range of ingenious, harebrained, and sometimes grim but often remarkable ways to stay cool during a summer scorcher.
2023-07-04 03:20